Advertisements
Advertisements
Question
If x = a2 – bc, y = b2 – ca, and z = c2 – ab; find the value of ay – bx + cz
Advertisements
Solution
x = a2 − bc, y = b2 − ca, z = c2 − ab
ay – bx + cz = a (b2 − ca) − b (a2 − bc) + c (c2 − ab)
= ab2 − ca2 − a2b + b2c + c3 − abc
RELATED QUESTIONS
Fill in the blank, when:
x = 3, y = 6, z = 18, a = 2, b = 8, c = 32 and d = 0.
c ÷ b = ...........
Fill in the blank, when:
x = 3, y = 6, z = 18, a = 2, b = 8, c = 32 and d = 0.
xz + cd = ...................
If a = 3, b = 0, c = 2 and d = 1, find the value of 6a − 3b − 4c − 2d
If a = 3, b = 0, c = 2 and d = 1, find the value of abc − bcd + cda
Show that the value of x3 – 8x2 + 12x – 5 is zero, when x = 1.
If x = 2, y = 5 and z = 4, find the value of the following:
xy ÷ y2z
Simplify:
(15b − 6b) − (8b + 4b)
Simplify:
`5"x"^2-(3"x"-overline("x"^2-4))`
Insert the bracket as indicated:
a − 3b + 5c = a − (..............)
Simplify:
`8"x"−(3"x"−overline(2"x"-3))`
